Nano Zeolite-kmno4 as Ethylene Adsorber in Active Packaging of Horticulture Products (Musa Paradisiaca)
Keywords:
nano zeolite, KMnO4, ethilene.Abstract
Zeolite is high porous natural mining material and usually used as absorber. Particle size reduction of zeolite to nano-sized is expected improve absorption, because with the smaller particle size of materials, uptake extensive areas will increase. Nano zeolite-KMnO4 as ethylene absorber is expected better than existing commercial ethylene absorber. This study aims to determine the absorptive capability of nano zeolite-KMnO4 as ethylene absorber and as an indicator of the shelf life of Ambon Banana (Musa paradisiaca). Nano zeolite -KMnO4 from grinding for 40 minutes and chemical activation with KOH solution for 2 hours has the highest ability to oxidize ethylene than other treatments, namely 113 ppm/g/h. However, discoloration of the nano zeolite-KMnO4 during oxidizes ethylene is not too clear to be observed, thus difficult to make nano zeolites- KMnO4 as an indicator of the shelf life of fruit. Application of nano zeolite-KMnO4 as much as 3 grams packaged in cellulose paper (@ 1.5G) and attached to LDPE 0.04 mm packaging is able to extend the shelf life of banana at 25?C temperature, RH 85% up to 23 days or 17 days longer than the control.
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